You should knock at the door before you you _____ the room.【是go into 和 enter都行吗?还是?】
问题描述:
You should knock at the door before you you _____ the room.【是go into 和 enter都行吗?还是?】
答
You should knock at the door before you you _____ the room.【是go into 和 enter都行吗?还是?】